Do you staple underlayment for hardwood floors?- stapler for engineered wood floors ,2/6/2020· Benefits: Floating wood floors are easier to install than glue down floors and can be put into place faster. If you're trying to install a floor over a surface that traditional glue -down flooring can't attach to, you are better off going with a floating floor if you don't want to change your subfloor.staple gun for engineered wood flooring adhesivePrime Supply engineered flooring can be glued directly to concrete sub-floor or wood sub-floor, on the ground floor and second floor or below grade. Not to be installed over vinyl. Sub-floor must be clean and free of any wax, paint, oil, etc. Use a moisture-cured urethane adhesive specially designed for wood flooring installation.